./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77b70849cb3dcecd37b0edacca9651109dbc42ac ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:23:35,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:35,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:35,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:35,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:35,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:35,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:35,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:35,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:35,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:35,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:35,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:35,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:35,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:35,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:35,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:35,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:35,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:35,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:35,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:35,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:35,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:35,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:35,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:35,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:35,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:35,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:35,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:35,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:35,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:35,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:35,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:35,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:35,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:35,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:35,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:35,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:35,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:35,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:35,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:35,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:35,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:35,713 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:35,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:35,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:35,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:35,717 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:35,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:35,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:35,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:35,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:35,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:35,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:35,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:35,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:35,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:35,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:35,722 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:35,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:35,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:35,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:35,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:35,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:35,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:35,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:35,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:35,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:35,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:35,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:35,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:35,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77b70849cb3dcecd37b0edacca9651109dbc42ac [2019-11-28 00:23:36,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:36,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:36,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:36,104 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:36,104 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:36,105 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2019-11-28 00:23:36,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d10945d6/b6bbadab847b44c4b2ac3b0c9df0055f/FLAGe36b2f23f [2019-11-28 00:23:36,770 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:36,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2019-11-28 00:23:36,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d10945d6/b6bbadab847b44c4b2ac3b0c9df0055f/FLAGe36b2f23f [2019-11-28 00:23:37,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d10945d6/b6bbadab847b44c4b2ac3b0c9df0055f [2019-11-28 00:23:37,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:37,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:37,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:37,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:37,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:37,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d9c01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37, skipping insertion in model container [2019-11-28 00:23:37,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:37,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:37,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:37,620 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:37,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:37,818 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:37,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37 WrapperNode [2019-11-28 00:23:37,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:37,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:37,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:37,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:37,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:37,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:37,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:37,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:37,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... [2019-11-28 00:23:37,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:37,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:37,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:37,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:37,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:38,931 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:38,932 INFO L297 CfgBuilder]: Removed 132 assume(true) statements. [2019-11-28 00:23:38,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:38 BoogieIcfgContainer [2019-11-28 00:23:38,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:38,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:38,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:38,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:38,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:37" (1/3) ... [2019-11-28 00:23:38,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b68036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:38, skipping insertion in model container [2019-11-28 00:23:38,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:37" (2/3) ... [2019-11-28 00:23:38,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b68036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:38, skipping insertion in model container [2019-11-28 00:23:38,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:38" (3/3) ... [2019-11-28 00:23:38,943 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2019-11-28 00:23:38,954 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:38,962 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:38,973 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:38,999 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:38,999 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:38,999 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:39,000 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:39,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:39,000 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:39,000 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:39,000 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:39,019 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-11-28 00:23:39,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:39,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:39,027 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:39,028 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2019-11-28 00:23:39,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:39,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660201725] [2019-11-28 00:23:39,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:39,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:39,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660201725] [2019-11-28 00:23:39,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:39,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:39,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923411096] [2019-11-28 00:23:39,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:39,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:39,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:39,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:39,389 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2019-11-28 00:23:39,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:39,421 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2019-11-28 00:23:39,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:39,423 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:39,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:39,436 INFO L225 Difference]: With dead ends: 189 [2019-11-28 00:23:39,436 INFO L226 Difference]: Without dead ends: 94 [2019-11-28 00:23:39,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:39,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-28 00:23:39,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-11-28 00:23:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-28 00:23:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2019-11-28 00:23:39,487 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2019-11-28 00:23:39,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:39,488 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2019-11-28 00:23:39,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2019-11-28 00:23:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:39,489 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:39,490 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:39,490 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:39,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:39,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2019-11-28 00:23:39,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:39,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140152404] [2019-11-28 00:23:39,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:39,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140152404] [2019-11-28 00:23:39,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:39,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:39,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130417838] [2019-11-28 00:23:39,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:39,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:39,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:39,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:39,593 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2019-11-28 00:23:39,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:39,620 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2019-11-28 00:23:39,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:39,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:39,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:39,622 INFO L225 Difference]: With dead ends: 94 [2019-11-28 00:23:39,622 INFO L226 Difference]: Without dead ends: 43 [2019-11-28 00:23:39,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:39,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-28 00:23:39,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-28 00:23:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 00:23:39,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-11-28 00:23:39,632 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2019-11-28 00:23:39,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:39,632 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-11-28 00:23:39,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:39,632 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-11-28 00:23:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:39,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:39,636 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:39,636 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:39,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:39,637 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2019-11-28 00:23:39,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:39,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379537724] [2019-11-28 00:23:39,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:39,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379537724] [2019-11-28 00:23:39,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:39,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:39,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897332955] [2019-11-28 00:23:39,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:39,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:39,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:39,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:39,759 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 3 states. [2019-11-28 00:23:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:39,801 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2019-11-28 00:23:39,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:39,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:23:39,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:39,804 INFO L225 Difference]: With dead ends: 115 [2019-11-28 00:23:39,804 INFO L226 Difference]: Without dead ends: 79 [2019-11-28 00:23:39,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-28 00:23:39,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2019-11-28 00:23:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 00:23:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 108 transitions. [2019-11-28 00:23:39,826 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 108 transitions. Word has length 26 [2019-11-28 00:23:39,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:39,826 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 108 transitions. [2019-11-28 00:23:39,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2019-11-28 00:23:39,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:23:39,828 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:39,828 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:39,828 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:39,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:39,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2019-11-28 00:23:39,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:39,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401455421] [2019-11-28 00:23:39,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:39,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401455421] [2019-11-28 00:23:39,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:39,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:39,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309233168] [2019-11-28 00:23:39,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:39,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:39,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:39,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:39,908 INFO L87 Difference]: Start difference. First operand 75 states and 108 transitions. Second operand 3 states. [2019-11-28 00:23:39,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:39,981 INFO L93 Difference]: Finished difference Result 190 states and 279 transitions. [2019-11-28 00:23:39,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:39,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-28 00:23:39,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:39,984 INFO L225 Difference]: With dead ends: 190 [2019-11-28 00:23:39,984 INFO L226 Difference]: Without dead ends: 122 [2019-11-28 00:23:39,987 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:39,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-28 00:23:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2019-11-28 00:23:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-28 00:23:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2019-11-28 00:23:40,014 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 27 [2019-11-28 00:23:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:40,015 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2019-11-28 00:23:40,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2019-11-28 00:23:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 00:23:40,022 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:40,022 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:40,023 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:40,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:40,023 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2019-11-28 00:23:40,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:40,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406297202] [2019-11-28 00:23:40,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:40,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406297202] [2019-11-28 00:23:40,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:40,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:40,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952023752] [2019-11-28 00:23:40,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:40,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:40,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:40,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:40,136 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand 5 states. [2019-11-28 00:23:40,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:40,306 INFO L93 Difference]: Finished difference Result 435 states and 625 transitions. [2019-11-28 00:23:40,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:40,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 00:23:40,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:40,310 INFO L225 Difference]: With dead ends: 435 [2019-11-28 00:23:40,310 INFO L226 Difference]: Without dead ends: 322 [2019-11-28 00:23:40,311 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:40,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-11-28 00:23:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 118. [2019-11-28 00:23:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-28 00:23:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2019-11-28 00:23:40,335 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 29 [2019-11-28 00:23:40,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:40,335 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2019-11-28 00:23:40,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2019-11-28 00:23:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:23:40,337 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:40,337 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:40,338 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:40,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:40,338 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2019-11-28 00:23:40,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:40,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671170577] [2019-11-28 00:23:40,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:40,478 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671170577] [2019-11-28 00:23:40,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:40,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:40,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31023824] [2019-11-28 00:23:40,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:40,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:40,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:40,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:40,481 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand 5 states. [2019-11-28 00:23:40,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:40,561 INFO L93 Difference]: Finished difference Result 321 states and 449 transitions. [2019-11-28 00:23:40,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:40,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 00:23:40,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:40,566 INFO L225 Difference]: With dead ends: 321 [2019-11-28 00:23:40,567 INFO L226 Difference]: Without dead ends: 210 [2019-11-28 00:23:40,568 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:23:40,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-11-28 00:23:40,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 124. [2019-11-28 00:23:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 00:23:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 172 transitions. [2019-11-28 00:23:40,595 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 172 transitions. Word has length 36 [2019-11-28 00:23:40,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:40,596 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 172 transitions. [2019-11-28 00:23:40,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2019-11-28 00:23:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:23:40,599 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:40,600 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:40,600 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:40,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:40,600 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2019-11-28 00:23:40,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:40,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935769538] [2019-11-28 00:23:40,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:40,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935769538] [2019-11-28 00:23:40,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:40,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:40,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446928549] [2019-11-28 00:23:40,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:40,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:40,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:40,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:40,707 INFO L87 Difference]: Start difference. First operand 124 states and 172 transitions. Second operand 5 states. [2019-11-28 00:23:40,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:40,803 INFO L93 Difference]: Finished difference Result 348 states and 476 transitions. [2019-11-28 00:23:40,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:40,804 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 00:23:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:40,806 INFO L225 Difference]: With dead ends: 348 [2019-11-28 00:23:40,806 INFO L226 Difference]: Without dead ends: 231 [2019-11-28 00:23:40,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-11-28 00:23:40,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 128. [2019-11-28 00:23:40,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 00:23:40,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 176 transitions. [2019-11-28 00:23:40,824 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 176 transitions. Word has length 36 [2019-11-28 00:23:40,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:40,824 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 176 transitions. [2019-11-28 00:23:40,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2019-11-28 00:23:40,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:23:40,826 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:40,826 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:40,827 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:40,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:40,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2019-11-28 00:23:40,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:40,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243364442] [2019-11-28 00:23:40,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:40,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243364442] [2019-11-28 00:23:40,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:40,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:40,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000454710] [2019-11-28 00:23:40,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:40,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:40,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:40,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:40,887 INFO L87 Difference]: Start difference. First operand 128 states and 176 transitions. Second operand 3 states. [2019-11-28 00:23:40,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:40,922 INFO L93 Difference]: Finished difference Result 305 states and 418 transitions. [2019-11-28 00:23:40,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:40,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-28 00:23:40,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:40,924 INFO L225 Difference]: With dead ends: 305 [2019-11-28 00:23:40,924 INFO L226 Difference]: Without dead ends: 184 [2019-11-28 00:23:40,925 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:40,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-28 00:23:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2019-11-28 00:23:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-28 00:23:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 245 transitions. [2019-11-28 00:23:40,944 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 245 transitions. Word has length 36 [2019-11-28 00:23:40,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:40,945 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 245 transitions. [2019-11-28 00:23:40,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2019-11-28 00:23:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:40,946 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:40,946 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:40,947 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:40,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:40,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2019-11-28 00:23:40,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:40,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645259605] [2019-11-28 00:23:40,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:41,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645259605] [2019-11-28 00:23:41,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:41,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:41,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302549842] [2019-11-28 00:23:41,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:41,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:41,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:41,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:41,047 INFO L87 Difference]: Start difference. First operand 184 states and 245 transitions. Second operand 6 states. [2019-11-28 00:23:41,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:41,306 INFO L93 Difference]: Finished difference Result 689 states and 945 transitions. [2019-11-28 00:23:41,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:41,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-28 00:23:41,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:41,310 INFO L225 Difference]: With dead ends: 689 [2019-11-28 00:23:41,311 INFO L226 Difference]: Without dead ends: 568 [2019-11-28 00:23:41,312 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:41,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-11-28 00:23:41,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 269. [2019-11-28 00:23:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-28 00:23:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 354 transitions. [2019-11-28 00:23:41,375 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 354 transitions. Word has length 37 [2019-11-28 00:23:41,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:41,376 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 354 transitions. [2019-11-28 00:23:41,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 354 transitions. [2019-11-28 00:23:41,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 00:23:41,377 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:41,378 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:41,378 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:41,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:41,379 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2019-11-28 00:23:41,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:41,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896777431] [2019-11-28 00:23:41,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:41,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896777431] [2019-11-28 00:23:41,461 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095545458] [2019-11-28 00:23:41,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:41,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:41,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:41,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:41,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-11-28 00:23:41,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225831072] [2019-11-28 00:23:41,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 00:23:41,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:41,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 00:23:41,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:41,695 INFO L87 Difference]: Start difference. First operand 269 states and 354 transitions. Second operand 9 states. [2019-11-28 00:23:42,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:42,023 INFO L93 Difference]: Finished difference Result 507 states and 677 transitions. [2019-11-28 00:23:42,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 00:23:42,024 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-11-28 00:23:42,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:42,025 INFO L225 Difference]: With dead ends: 507 [2019-11-28 00:23:42,027 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:42,029 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-11-28 00:23:42,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:42,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:42,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-11-28 00:23:42,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:42,031 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:42,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 00:23:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:42,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:42,239 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:42,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:42,430 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2019-11-28 00:23:42,677 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2019-11-28 00:23:42,783 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2019-11-28 00:23:43,442 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 20 [2019-11-28 00:23:43,677 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2019-11-28 00:23:43,832 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2019-11-28 00:23:44,013 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2019-11-28 00:23:44,293 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2019-11-28 00:23:44,547 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 19 [2019-11-28 00:23:44,740 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2019-11-28 00:23:44,880 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 20 [2019-11-28 00:23:45,162 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2019-11-28 00:23:45,372 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 20 [2019-11-28 00:23:45,518 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 10 [2019-11-28 00:23:45,535 INFO L246 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2019-11-28 00:23:45,535 INFO L246 CegarLoopResult]: For program point L861-1(lines 861 867) no Hoare annotation was computed. [2019-11-28 00:23:45,535 INFO L246 CegarLoopResult]: For program point L861-2(lines 861 867) no Hoare annotation was computed. [2019-11-28 00:23:45,536 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-11-28 00:23:45,536 INFO L246 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-11-28 00:23:45,536 INFO L249 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-11-28 00:23:45,536 INFO L242 CegarLoopResult]: At program point L944(lines 1 964) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:45,536 INFO L246 CegarLoopResult]: For program point L961(line 961) no Hoare annotation was computed. [2019-11-28 00:23:45,537 INFO L246 CegarLoopResult]: For program point L961-1(line 961) no Hoare annotation was computed. [2019-11-28 00:23:45,537 INFO L246 CegarLoopResult]: For program point L961-2(line 961) no Hoare annotation was computed. [2019-11-28 00:23:45,537 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:45,537 INFO L246 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-11-28 00:23:45,537 INFO L246 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-11-28 00:23:45,537 INFO L246 CegarLoopResult]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-11-28 00:23:45,537 INFO L246 CegarLoopResult]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-11-28 00:23:45,537 INFO L242 CegarLoopResult]: At program point L879(lines 874 881) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:45,538 INFO L242 CegarLoopResult]: At program point L599(lines 595 617) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1))) [2019-11-28 00:23:45,538 INFO L242 CegarLoopResult]: At program point L599-1(lines 595 617) the Hoare annotation is: false [2019-11-28 00:23:45,538 INFO L246 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-11-28 00:23:45,538 INFO L242 CegarLoopResult]: At program point L599-2(lines 595 617) the Hoare annotation is: false [2019-11-28 00:23:45,538 INFO L242 CegarLoopResult]: At program point L533-1(lines 533 539) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 00:23:45,539 INFO L242 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-11-28 00:23:45,539 INFO L246 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2019-11-28 00:23:45,539 INFO L242 CegarLoopResult]: At program point L765-1(lines 765 771) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:45,539 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-28 00:23:45,539 INFO L242 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:45,539 INFO L242 CegarLoopResult]: At program point L866(lines 857 870) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2))) [2019-11-28 00:23:45,539 INFO L242 CegarLoopResult]: At program point L866-1(lines 857 870) the Hoare annotation is: false [2019-11-28 00:23:45,540 INFO L242 CegarLoopResult]: At program point L866-2(lines 857 870) the Hoare annotation is: false [2019-11-28 00:23:45,540 INFO L246 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2019-11-28 00:23:45,540 INFO L246 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-11-28 00:23:45,540 INFO L246 CegarLoopResult]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-11-28 00:23:45,540 INFO L246 CegarLoopResult]: For program point L668-2(lines 668 674) no Hoare annotation was computed. [2019-11-28 00:23:45,540 INFO L246 CegarLoopResult]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-11-28 00:23:45,540 INFO L246 CegarLoopResult]: For program point L668-4(lines 668 674) no Hoare annotation was computed. [2019-11-28 00:23:45,540 INFO L246 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2019-11-28 00:23:45,540 INFO L246 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L784-3(lines 784 788) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L751-3(lines 751 755) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L751-5(lines 751 755) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L784-6(lines 784 788) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L751-6(lines 751 755) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L751-8(lines 751 755) no Hoare annotation was computed. [2019-11-28 00:23:45,541 INFO L246 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2019-11-28 00:23:45,542 INFO L242 CegarLoopResult]: At program point L900-1(lines 1 964) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and .cse2 (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1))) [2019-11-28 00:23:45,542 INFO L246 CegarLoopResult]: For program point L900-2(lines 900 917) no Hoare annotation was computed. [2019-11-28 00:23:45,542 INFO L242 CegarLoopResult]: At program point L900-3(lines 1 964) the Hoare annotation is: false [2019-11-28 00:23:45,542 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:45,542 INFO L246 CegarLoopResult]: For program point L900-4(lines 900 917) no Hoare annotation was computed. [2019-11-28 00:23:45,542 INFO L242 CegarLoopResult]: At program point L900-5(lines 1 964) the Hoare annotation is: false [2019-11-28 00:23:45,543 INFO L242 CegarLoopResult]: At program point L702(lines 697 705) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-11-28 00:23:45,543 INFO L242 CegarLoopResult]: At program point L702-1(lines 697 705) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-11-28 00:23:45,543 INFO L242 CegarLoopResult]: At program point L702-2(lines 697 705) the Hoare annotation is: false [2019-11-28 00:23:45,543 INFO L242 CegarLoopResult]: At program point L702-3(lines 697 705) the Hoare annotation is: false [2019-11-28 00:23:45,543 INFO L242 CegarLoopResult]: At program point L702-4(lines 697 705) the Hoare annotation is: false [2019-11-28 00:23:45,543 INFO L242 CegarLoopResult]: At program point L702-5(lines 697 705) the Hoare annotation is: false [2019-11-28 00:23:45,543 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-28 00:23:45,544 INFO L246 CegarLoopResult]: For program point L422-1(lines 422 426) no Hoare annotation was computed. [2019-11-28 00:23:45,547 INFO L242 CegarLoopResult]: At program point L571(lines 522 572) the Hoare annotation is: false [2019-11-28 00:23:45,547 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-11-28 00:23:45,547 INFO L242 CegarLoopResult]: At program point L952(lines 947 955) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:45,548 INFO L242 CegarLoopResult]: At program point L853(lines 848 856) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1))) [2019-11-28 00:23:45,548 INFO L242 CegarLoopResult]: At program point L853-1(lines 848 856) the Hoare annotation is: false [2019-11-28 00:23:45,552 INFO L242 CegarLoopResult]: At program point L853-2(lines 848 856) the Hoare annotation is: false [2019-11-28 00:23:45,552 INFO L242 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 00:23:45,552 INFO L242 CegarLoopResult]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2019-11-28 00:23:45,552 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:45,553 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2019-11-28 00:23:45,553 INFO L249 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-11-28 00:23:45,553 INFO L242 CegarLoopResult]: At program point L821(lines 816 824) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:45,553 INFO L242 CegarLoopResult]: At program point L821-1(lines 816 824) the Hoare annotation is: false [2019-11-28 00:23:45,553 INFO L242 CegarLoopResult]: At program point L821-2(lines 816 824) the Hoare annotation is: false [2019-11-28 00:23:45,554 INFO L246 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2019-11-28 00:23:45,554 INFO L246 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-11-28 00:23:45,554 INFO L246 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-11-28 00:23:45,554 INFO L246 CegarLoopResult]: For program point L904-4(lines 904 914) no Hoare annotation was computed. [2019-11-28 00:23:45,554 INFO L246 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2019-11-28 00:23:45,554 INFO L246 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2019-11-28 00:23:45,555 INFO L246 CegarLoopResult]: For program point L905-2(lines 905 911) no Hoare annotation was computed. [2019-11-28 00:23:45,555 INFO L246 CegarLoopResult]: For program point L905-4(lines 905 911) no Hoare annotation was computed. [2019-11-28 00:23:45,555 INFO L242 CegarLoopResult]: At program point L889(lines 599 605) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-11-28 00:23:45,555 INFO L242 CegarLoopResult]: At program point L889-1(lines 599 605) the Hoare annotation is: false [2019-11-28 00:23:45,557 INFO L242 CegarLoopResult]: At program point L889-2(lines 599 605) the Hoare annotation is: false [2019-11-28 00:23:45,557 INFO L242 CegarLoopResult]: At program point L757(lines 742 760) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 .cse1 .cse2))) [2019-11-28 00:23:45,557 INFO L242 CegarLoopResult]: At program point L757-1(lines 742 760) the Hoare annotation is: false [2019-11-28 00:23:45,557 INFO L242 CegarLoopResult]: At program point L757-2(lines 742 760) the Hoare annotation is: false [2019-11-28 00:23:45,557 INFO L246 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-11-28 00:23:45,558 INFO L242 CegarLoopResult]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 00:23:45,558 INFO L246 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-11-28 00:23:45,558 INFO L242 CegarLoopResult]: At program point L543-1(lines 543 549) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 00:23:45,558 INFO L246 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-11-28 00:23:45,558 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:45,558 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-11-28 00:23:45,558 INFO L242 CegarLoopResult]: At program point L693(lines 686 696) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:45,559 INFO L242 CegarLoopResult]: At program point L693-1(lines 686 696) the Hoare annotation is: false [2019-11-28 00:23:45,559 INFO L242 CegarLoopResult]: At program point L693-2(lines 686 696) the Hoare annotation is: false [2019-11-28 00:23:45,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:45 BoogieIcfgContainer [2019-11-28 00:23:45,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:45,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:45,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:45,616 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:45,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:38" (3/4) ... [2019-11-28 00:23:45,621 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:45,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:45,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:45,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:45,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:45,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:45,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:45,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:45,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((((1 <= pumpRunning && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:45,694 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-28 00:23:45,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-28 00:23:45,696 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-28 00:23:45,697 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:45,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:45,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:45,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-28 00:23:45,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:45,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:45,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:45,703 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((!(0 == tmp) && 0 == \result) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:45,826 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:45,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:45,827 INFO L168 Benchmark]: Toolchain (without parser) took 8749.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.0 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -125.3 MB). Peak memory consumption was 187.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:45,828 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:45,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:45,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:45,829 INFO L168 Benchmark]: Boogie Preprocessor took 58.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:45,829 INFO L168 Benchmark]: RCFGBuilder took 986.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:45,830 INFO L168 Benchmark]: TraceAbstraction took 6677.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -49.5 MB). Peak memory consumption was 319.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:45,830 INFO L168 Benchmark]: Witness Printer took 210.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:45,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 739.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 986.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6677.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -49.5 MB). Peak memory consumption was 319.9 MB. Max. memory is 11.5 GB. * Witness Printer took 210.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((((1 <= pumpRunning && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((!(0 == tmp) && 0 == \result) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, HoareTripleCheckerStatistics: 902 SDtfs, 1222 SDslu, 1406 SDs, 0 SdLazy, 239 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 698 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 181 NumberOfFragments, 555 HoareAnnotationTreeSize, 45 FomulaSimplifications, 78039 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 45 FomulaSimplificationsInter, 15142 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 31064 SizeOfPredicates, 4 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...